18695852

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 41827968

約数和(自身を除く): 23132116

約数列:

[1, 2, 4, 7, 14, 17, 28, 31, 34, 49, 62, 68, 98, 119, 124, 181, 196, 217, 238, 362, 434, 476, 527, 724, 833, 868, 1054, 1267, 1519, 1666, 2108, 2534, 3038, 3077, 3332, 3689, 5068, 5611, 6076, 6154, 7378, 8869, 11222, 12308, 14756, 17738, 21539, 22444, 25823, 35476, 39277, 43078, 51646, 78554, 86156, 95387, 103292, 150773, 157108, 190774, 274939, 301546, 381548, 549878, 603092, 667709, 1099756, 1335418, 2670836, 4673963, 9347926, 18695852]

約数ペア:

[(1, 18695852), (2, 9347926), (4, 4673963), (7, 2670836), (14, 1335418), (17, 1099756), (28, 667709), (31, 603092), (34, 549878), (49, 381548), (62, 301546), (68, 274939), (98, 190774), (119, 157108), (124, 150773), (181, 103292), (196, 95387), (217, 86156), (238, 78554), (362, 51646), (434, 43078), (476, 39277), (527, 35476), (724, 25823), (833, 22444), (868, 21539), (1054, 17738), (1267, 14756), (1519, 12308), (1666, 11222), (2108, 8869), (2534, 7378), (3038, 6154), (3077, 6076), (3332, 5611), (3689, 5068)]